Greene Donald Royster, M.D.
Reproductive Endocrinology Physician · Newport Beach, CA
Greene Donald Royster, M.D. is a reproductive endocrinology physician with a practice address in Newport Beach, California, and NPI 1518189885, issued on May 3, 2007. Check the license (California C166960, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Greene Donald Royster
- Credential
- M.D.
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- C166960 CA
Self-reported in NPPES; status is on the state search - Practice location
- 361 Hospital RD Ste 333, Newport Beach, CA 92663
- Phone
- (949) 642-8727
- Enumerated
- May 3, 2007
- Record last updated
- Oct 5, 2022
- Fax
- (949) 642-5413
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 267 in California → Look up another NPI →
Also registered at 361 Hospital RD Ste 333
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suhyun KimAcupuncturist1790336915
Verify Greene Donald Royster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C166960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $20.20
1 payment: food and beverage; the largest payer was Emd Serono, Inc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Greene Donald Royster among 267 reproductive endocrinology physician records in California
Greene Donald Royster, M.D. is one of 267 reproductive endocrinology physician records with a practice address in California. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 36% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in California
There are 267 reproductive endocrinology physician records in California.
All 267 in California → Every provider in Newport Beach → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Robert Anderson, M.D.Newport Beach, CA 926631023126562
- Lisa Becht, M.D.Newport Beach, CA 926631306089057
- Sina Abhari, MDNewport Beach, CA 926601073955290
- Beth Ary, MDNewport Beach, CA 926601750360665
- Sanaz Ghazal, MDNewport Beach, CA 926601912161233
- Hanna Kim, MDNewport Beach, CA 926601790282416
- Sharon Moayeri, M.D.Newport Beach, CA 926601598807455
- Anupama RambhatlaNewport Beach, CA 926601679960157
Common questions
What is Greene Donald Royster, M.D.'s NPI number?
Greene Donald Royster, M.D.'s National Provider Identifier (NPI) is 1518189885, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Greene Donald Royster, M.D. located?
The NPPES record lists a practice address at 361 Hospital RD Ste 333, Newport Beach, CA, 92663. Phone: (949) 642-8727. Providers update this record themselves, so call before visiting.
How can I verify Greene Donald Royster, M.D.'s license?
NPPES lists California license number C166960, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.